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                    8.2020-01-12-深入理解Maven中的Profile
            
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                    9.2020-01-12-缓存穿透-缓存击穿-缓存雪崩概念及解决方案
            
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                    12.2020-01-16-java基本语法
            
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                    1.2019-12-28-arthas-example
            
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                    5.2020-01-10-性能调优举例一
            
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                    6.2020-01-10-性能调优举例三
            
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                    7.2020-01-10-性能调优举例二
            
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                    8.2020-01-10-性能调优举例四
            
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                    9.2020-01-15-性能调优举例五
            
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                    10.2020-05-12-性能调优举例六
            
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                    1.2019-12-28-dubbo涉及的技术
            
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                    3.2019-12-30-dubbo面试
            
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                    1.2020-01-12-实例介绍 JAVA 泛型基础
            
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                    1.2019-12-30-性能调优
            
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                    1.2020-01-16-netty入门
            
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                    2.2020-01-16-netty核心概念
            
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                    1.2019-12-28-solr-7.6.0.tgz安装
            
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                    [spring]
            
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                    1.2020-01-12-SpringBoot属性读取方式介绍
            
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                    2.2020-01-12-使用spring boot+mybatis plus快速入门
            
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                    3.2020-01-13-spring-initMethod-destoryMethod
            
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                    4.2020-01-13-spring循环依赖
            
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                    5.2020-01-13-spring源码随记
            
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                    6.2020-01-13-自定义mini-spring
            
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                    [websocket]
            
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                    1.2019-12-30-webscoket-springboot通信
            
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                    [linux]
            
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                    1.2019-12-28-Linux常用命令和快捷键
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.2" data-path="../linux/2019-12-28-从零到一环境安装.html">
            
                <a href="../linux/2019-12-28-从零到一环境安装.html">
            
                    
                    2.2019-12-28-从零到一环境安装
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.3" data-path="../linux/2019-12-30-vi-常用命令.html">
            
                <a href="../linux/2019-12-30-vi-常用命令.html">
            
                    
                    3.2019-12-30-vi-常用命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.4" data-path="../linux/2019-12-31-awk命令.html">
            
                <a href="../linux/2019-12-31-awk命令.html">
            
                    
                    4.2019-12-31-awk命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.5" data-path="../linux/2019-12-31-cup信息分析.html">
            
                <a href="../linux/2019-12-31-cup信息分析.html">
            
                    
                    5.2019-12-31-cup信息分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.6" data-path="../linux/2019-12-31-shell编程.html">
            
                <a href="../linux/2019-12-31-shell编程.html">
            
                    
                    6.2019-12-31-shell编程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.7" data-path="../linux/2019-12-31-top命令.html">
            
                <a href="../linux/2019-12-31-top命令.html">
            
                    
                    7.2019-12-31-top命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.8" data-path="../linux/2019-12-31-普通用户docker的问题.html">
            
                <a href="../linux/2019-12-31-普通用户docker的问题.html">
            
                    
                    8.2019-12-31-普通用户docker的问题
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.9" data-path="../linux/2020-01-01-centos7 安装kubernetes.html">
            
                <a href="../linux/2020-01-01-centos7 安装kubernetes.html">
            
                    
                    9.2020-01-01-centos7 安装kubernetes
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.10" data-path="../linux/2020-01-01-centos安装常用配置.html">
            
                <a href="../linux/2020-01-01-centos安装常用配置.html">
            
                    
                    10.2020-01-01-centos安装常用配置
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.11" data-path="../linux/2020-01-01-docker使用.html">
            
                <a href="../linux/2020-01-01-docker使用.html">
            
                    
                    11.2020-01-01-docker使用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.12" data-path="../linux/2020-01-01-kubernetes使用.html">
            
                <a href="../linux/2020-01-01-kubernetes使用.html">
            
                    
                    12.2020-01-01-kubernetes使用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.13" data-path="../linux/2020-05-12-PG有用的SQL.html">
            
                <a href="../linux/2020-05-12-PG有用的SQL.html">
            
                    
                    13.2020-05-12-PG有用的SQL
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.14" data-path="../linux/2020-05-12-vim命令.html">
            
                <a href="../linux/2020-05-12-vim命令.html">
            
                    
                    14.2020-05-12-vim命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.16" >
            
                <span>
            
                    
                    [automate]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.16.1" data-path="../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                <a href="../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                    
                    1.2020-01-12-redis伪集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.2" data-path="../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                <a href="../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                    
                    2.2020-01-12-tomcat集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.3" data-path="../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                <a href="../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                    
                    3.2020-01-12-zookeeper自动化脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.4" data-path="../linux/automate/2020-01-12-其他自动化脚本.html">
            
                <a href="../linux/automate/2020-01-12-其他自动化脚本.html">
            
                    
                    4.2020-01-12-其他自动化脚本
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.17" >
            
                <span>
            
                    
                    [MySQL]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.17.1" data-path="../MySQL/2019-12-31-mysql常用命令.html">
            
                <a href="../MySQL/2019-12-31-mysql常用命令.html">
            
                    
                    1.2019-12-31-mysql常用命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.18" >
            
                <span>
            
                    
                    [nginx]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter active" data-level="2.18.1" data-path="2019-12-29-Nginx-Keepalived高可用集群.html">
            
                <a href="2019-12-29-Nginx-Keepalived高可用集群.html">
            
                    
                    1.2019-12-29-Nginx-Keepalived高可用集群
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.18.2" data-path="2020-01-16-nginx参数详细说明.html">
            
                <a href="2020-01-16-nginx参数详细说明.html">
            
                    
                    2.2020-01-16-nginx参数详细说明
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.19" >
            
                <span>
            
                    
                    [other]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.19.1" data-path="../other/2019-12-28-知识小计.html">
            
                <a href="../other/2019-12-28-知识小计.html">
            
                    
                    1.2019-12-28-知识小计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.19.2" data-path="../other/2020-01-04-科学上网.html">
            
                <a href="../other/2020-01-04-科学上网.html">
            
                    
                    2.2020-01-04-科学上网
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.19.3" data-path="../other/2020-05-13-正则表达式.html">
            
                <a href="../other/2020-05-13-正则表达式.html">
            
                    
                    3.2020-05-13-正则表达式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.19.4" data-path="../other/template.html">
            
                <a href="../other/template.html">
            
                    
                    4.template
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.20" >
            
                <span>
            
                    
                    [PostgreSQL]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.20.1" data-path="../PostgreSQL/2019-12-28-PostgreSQL安装文档.html">
            
                <a href="../PostgreSQL/2019-12-28-PostgreSQL安装文档.html">
            
                    
                    1.2019-12-28-PostgreSQL安装文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.2" data-path="../PostgreSQL/2019-12-28-Postgres学习笔记.html">
            
                <a href="../PostgreSQL/2019-12-28-Postgres学习笔记.html">
            
                    
                    2.2019-12-28-Postgres学习笔记
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.3" data-path="../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                <a href="../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                    
                    3.2019-12-28-脚本MYSQL导出数据到PG
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.4" data-path="../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
                <a href="../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
                    
                    4.2020-01-04-docker-PostgreSQL安装文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.5" data-path="../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                <a href="../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                    
                    5.2020-01-17-阿里云PG主从切换问题
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.21" >
            
                <span>
            
                    
                    [python]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.21.1" data-path="../python/2019-12-28-pip-install指定国内源镜像.html">
            
                <a href="../python/2019-12-28-pip-install指定国内源镜像.html">
            
                    
                    1.2019-12-28-pip-install指定国内源镜像
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.21.2" data-path="../python/2019-12-30-python内置函数.html">
            
                <a href="../python/2019-12-30-python内置函数.html">
            
                    
                    2.2019-12-30-python内置函数
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.21.3" data-path="../python/2019-12-30-一图搞懂基本python语法 .html">
            
                <a href="../python/2019-12-30-一图搞懂基本python语法 .html">
            
                    
                    3.2019-12-30-一图搞懂基本python语法 
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.22" >
            
                <span>
            
                    
                    [redis]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.22.1" data-path="../redis/2019-12-28-redis5.0.3安装.html">
            
                <a href="../redis/2019-12-28-redis5.0.3安装.html">
            
                    
                    1.2019-12-28-redis5.0.3安装
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.22.2" data-path="../redis/2019-12-28-redis5.0.3集群搭建.html">
            
                <a href="../redis/2019-12-28-redis5.0.3集群搭建.html">
            
                    
                    2.2019-12-28-redis5.0.3集群搭建
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.23" >
            
                <span>
            
                    
                    [tool]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.23.1" data-path="../tool/2019-12-28-idea高效使用技巧和快捷键.html">
            
                <a href="../tool/2019-12-28-idea高效使用技巧和快捷键.html">
            
                    
                    1.2019-12-28-idea高效使用技巧和快捷键
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.23.2" data-path="../tool/2019-12-28-PlantUML画图脚本.html">
            
                <a href="../tool/2019-12-28-PlantUML画图脚本.html">
            
                    
                    2.2019-12-28-PlantUML画图脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.23.3" data-path="../tool/2019-12-30-vscode高效使用.html">
            
                <a href="../tool/2019-12-30-vscode高效使用.html">
            
                    
                    3.2019-12-30-vscode高效使用
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.24" >
            
                <span>
            
                    
                    [windows]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.24.1" data-path="../windows/2020-01-12-本地服务成为互联网服务.html">
            
                <a href="../windows/2020-01-12-本地服务成为互联网服务.html">
            
                    
                    1.2020-01-12-本地服务成为互联网服务
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.24.2" data-path="../windows/2020-01-12-注册bat为windows服务.html">
            
                <a href="../windows/2020-01-12-注册bat为windows服务.html">
            
                    
                    2.2020-01-12-注册bat为windows服务
            
                </a>
            

            
        </li>
    

            </ul>
            
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                                <p>Nginx+Keepalived&#x9AD8;&#x53EF;&#x7528;&#x96C6;&#x7FA4;</p>
<h1 id="nginxkeepalived&#x9AD8;&#x53EF;&#x7528;&#x96C6;&#x7FA4;">Nginx+Keepalived&#x9AD8;&#x53EF;&#x7528;&#x96C6;&#x7FA4;</h1>
<p><strong>1.Keepalived&#x9AD8;&#x53EF;&#x7528;&#x8F6F;&#x4EF6;</strong></p>
<p>&#x200B;    Keepalived&#x8F6F;&#x4EF6;&#x8D77;&#x521D;&#x662F;&#x4E13;&#x4E3A;LVS&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x8F6F;&#x4EF6;&#x8BBE;&#x8BA1;&#x7684;&#xFF0C;&#x7528;&#x6765;&#x7BA1;&#x7406;&#x5E76;&#x76D1;&#x63A7;LVS&#x96C6;&#x7FA4;&#x7CFB;&#x7EDF;&#x4E2D;&#x5404;&#x4E2A;&#x670D;&#x52A1;&#x8282;&#x70B9;&#x7684;&#x72B6;&#x6001;&#xFF0C;&#x540E;&#x6765;&#x53C8;&#x52A0;&#x5165;&#x4E86;&#x53EF;&#x4EE5;&#x5B9E;&#x73B0;&#x9AD8;&#x53EF;&#x7528;&#x7684;VRRP&#x529F;&#x80FD;&#x3002;&#x56E0;&#x6B64;&#xFF0C;keepalived&#x9664;&#x4E86;&#x80FD;&#x591F;&#x7BA1;&#x7406;LVS&#x8F6F;&#x4EF6;&#x5916;&#xFF0C;&#x8FD8;&#x53EF;&#x4EE5;&#x4F5C;&#x4E3A;&#x5176;&#x4ED6;&#x670D;&#x52A1;&#x7684;&#x9AD8;&#x53EF;&#x7528;&#x89E3;&#x51B3;&#x65B9;&#x6848;&#x8F6F;&#x4EF6;&#x3002;</p>
<p>&#x200B;    keepalived&#x8F6F;&#x4EF6;&#x4E3B;&#x8981;&#x662F;&#x901A;&#x8FC7;VRRP&#x534F;&#x8BAE;&#x5B9E;&#x73B0;&#x9AD8;&#x53EF;&#x7528;&#x529F;&#x80FD;&#x7684;&#x3002;VRRP&#x662F;Virtual  Router  Redundancy Protocol&#xFF08;&#x865A;&#x62DF;&#x8DEF;&#x7531;&#x5197;&#x4F59;&#x534F;&#x8BAE;&#xFF09;&#x7684;&#x7F29;&#x5199;&#xFF0C;VRRP&#x51FA;&#x73B0;&#x7684;&#x76EE;&#x7684;&#x5C31;&#x662F;&#x4E3A;&#x4E86;&#x89E3;&#x51B3;&#x9759;&#x6001;&#x8DEF;&#x7531;&#x7684;&#x5355;&#x70B9;&#x6545;&#x969C;&#x95EE;&#x9898;&#x7684;&#xFF0C;&#x5B83;&#x80FD;&#x4FDD;&#x8BC1;&#x5F53;&#x4E2A;&#x522B;&#x8282;&#x70B9;&#x5B95;&#x673A;&#x65F6;&#xFF0C;&#x6574;&#x4E2A;&#x7F51;&#x7EDC;&#x53EF;&#x4EE5;&#x4E0D;&#x95F4;&#x65AD;&#x5730;&#x8FD0;&#x884C;&#x3002;&#x6240;&#x4EE5;&#xFF0C;keepalived&#x4E00;&#x65B9;&#x9762;&#x5177;&#x6709;&#x914D;&#x7F6E;&#x7BA1;&#x7406;LVS&#x7684;&#x529F;&#x80FD;&#xFF0C;&#x540C;&#x65F6;&#x8FD8;&#x5177;&#x6709;&#x5BF9;LVS&#x4E0B;&#x9762;&#x8282;&#x70B9;&#x8FDB;&#x884C;&#x5065;&#x5EB7;&#x68C0;&#x67E5;&#x7684;&#x529F;&#x80FD;&#xFF0C;&#x53E6;&#x4E00;&#x65B9;&#x9762;&#x4E5F;&#x53EF;&#x4EE5;&#x5B9E;&#x73B0;&#x7CFB;&#x7EDF;&#x7F51;&#x7EDC;&#x670D;&#x52A1;&#x7684;&#x9AD8;&#x53EF;&#x7528;&#x529F;&#x80FD;&#x3002;</p>
<p><strong>2.Keepalived&#x9AD8;&#x53EF;&#x7528;&#x6545;&#x969C;&#x5207;&#x6362;&#x8F6C;&#x79FB;&#x539F;&#x7406;</strong></p>
<p>&#x200B;    Keepalived&#x9AD8;&#x53EF;&#x7528;&#x670D;&#x52A1;&#x5BF9;&#x4E4B;&#x95F4;&#x7684;&#x6545;&#x969C;&#x5207;&#x6362;&#x8F6C;&#x79FB;&#xFF0C;&#x662F;&#x901A;&#x8FC7;VRRP&#x6765;&#x5B9E;&#x73B0;&#x7684;&#x3002;&#x5728;keepalived&#x670D;&#x52A1;&#x5DE5;&#x4F5C;&#x65F6;&#xFF0C;&#x4E3B;Master&#x8282;&#x70B9;&#x4F1A;&#x4E0D;&#x65AD;&#x5730;&#x5411;&#x5907;&#x8282;&#x70B9;&#x53D1;&#x9001;&#xFF08;&#x591A;&#x64AD;&#x7684;&#x65B9;&#x5F0F;&#xFF09;&#x5FC3;&#x8DF3;&#x6D88;&#x606F;&#xFF0C;&#x7528;&#x6765;&#x544A;&#x8BC9;&#x5907;Backup&#x8282;&#x70B9;&#x81EA;&#x5DF1;&#x8FD8;&#x6D3B;&#x7740;&#x3002;&#x5F53;&#x4E3B;&#x8282;&#x70B9;&#x53D1;&#x751F;&#x6545;&#x969C;&#x65F6;&#xFF0C;&#x5C31;&#x65E0;&#x6CD5;&#x53D1;&#x9001;&#x5FC3;&#x8DF3;&#x7684;&#x6D88;&#x606F;&#x4E86;&#xFF0C;&#x5907;&#x8282;&#x70B9;&#x4E5F;&#x56E0;&#x6B64;&#x65E0;&#x6CD5;&#x7EE7;&#x7EED;&#x68C0;&#x6D4B;&#x5230;&#x6765;&#x81EA;&#x4E3B;&#x8282;&#x70B9;&#x7684;&#x5FC3;&#x8DF3;&#x4E86;&#x3002;&#x4E8E;&#x662F;&#x5C31;&#x4F1A;&#x8C03;&#x7528;&#x81EA;&#x8EAB;&#x7684;&#x63A5;&#x7BA1;&#x7A0B;&#x5E8F;&#xFF0C;&#x63A5;&#x7BA1;&#x4E3B;&#x8282;&#x70B9;&#x7684;IP&#x8D44;&#x6E90;&#x548C;&#x670D;&#x52A1;&#x3002;&#x5F53;&#x4E3B;&#x8282;&#x70B9;&#x6062;&#x590D;&#x65F6;&#xFF0C;&#x5907;&#x8282;&#x70B9;&#x53C8;&#x4F1A;&#x91CA;&#x653E;&#x4E3B;&#x8282;&#x70B9;&#x6545;&#x969C;&#x65F6;&#x81EA;&#x8EAB;&#x63A5;&#x7BA1;&#x7684;IP&#x8D44;&#x6E90;&#x548C;&#x670D;&#x52A1;&#xFF0C;&#x6062;&#x590D;&#x5230;&#x539F;&#x6765;&#x7684;&#x5907;&#x7528;&#x89D2;&#x8272;&#x3002;</p>
<p><strong>3. Keepalived&#x9AD8;&#x53EF;&#x7528;&#x5B9E;&#x9A8C;&#x73AF;&#x5883;&#x8BF4;&#x660E;</strong></p>
<p>&#x200B;    &#x5982;&#x4E0B;&#x56FE;&#x6240;&#x793A;&#xFF0C;&#x524D;&#x7AEF;&#x6709;&#x4E24;&#x53F0;&#x7684;Nginx&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x5668;&#xFF0C;&#x7528;&#x6765;&#x5206;&#x53D1;&#x63A5;&#x6536;&#x5230;&#x5BA2;&#x6237;&#x7AEF;&#x7684;&#x8BF7;&#x6C42;&#x3002;&#x5728;&#x524D;&#x6587;&#x5DF2;&#x7ECF;&#x914D;&#x7F6E;&#x597D;&#x4E86;Nginx01&#xFF0C;Nginx02&#x4E5F;&#x662F;&#x4E00;&#x6837;&#x7684;&#x914D;&#x7F6E;&#x3002;&#x73B0;&#x5728;&#x8981;&#x5728;&#x4E24;&#x4E2A;Nginx&#x8D1F;&#x8F7D;&#x5747;&#x8861;&#x5668;&#x4E0A;&#x505A;&#x9AD8;&#x53EF;&#x7528;&#x914D;&#x7F6E;&#xFF0C;Nginx01&#x4F5C;&#x4E3A;&#x4E3B;&#x8282;&#x70B9;&#xFF0C;Nginx02&#x4F5C;&#x4E3A;&#x5907;&#x8282;&#x70B9;&#x3002;</p>
<p><img src="http://s1.51cto.com/images/20180407/1523083612988586.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=" alt="image.png"> </p>
<p><strong>4.&#x5B89;&#x88C5;&#x5E76;&#x542F;&#x7528;keepalived</strong></p>
<p>&#x200B;    keepalived&#x7684;&#x5B89;&#x88C5;&#x975E;&#x5E38;&#x7B80;&#x5355;&#xFF0C;&#x76F4;&#x63A5;&#x4F7F;&#x7528;yum&#x6765;&#x5B89;&#x88C5;&#x5373;&#x53EF;&#x3002;</p>
<pre><code> yum install keepalived -y
</code></pre><p>&#x200B;    &#x5B89;&#x88C5;&#x4E4B;&#x540E;&#xFF0C;&#x542F;&#x52A8;keepalived&#x670D;&#x52A1;&#xFF0C;&#x987A;&#x4FBF;&#x628A;keepalived&#x5199;&#x5165;&#x5F00;&#x673A;&#x542F;&#x52A8;&#x7684;&#x811A;&#x672C;&#x91CC;&#x9762;&#x53BB;&#x3002;&#x3002;</p>
<pre><code>/etc/init.d/keepalived start
echo &quot;/etc/init.d/keepalived start&quot; &gt;&gt;/etc/rc.local
</code></pre><p>&#x200B;    &#x542F;&#x52A8;&#x4E4B;&#x540E;&#x4F1A;&#x6709;&#x4E09;&#x4E2A;&#x8FDB;&#x7A0B;&#xFF0C;&#x6CA1;&#x95EE;&#x9898;&#x4E4B;&#x540E;&#x53EF;&#x4EE5;&#x5173;&#x95ED;keepalived&#x8F6F;&#x4EF6;&#xFF0C;&#x63A5;&#x4E0B;&#x6765;&#x8981;&#x4FEE;&#x6539;keepalived&#x7684;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x3002;</p>
<p><img src="http://s1.51cto.com/images/20180407/1523068336960962.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=" alt="image.png"></p>
<p>5.&#x4FEE;&#x6539;keepalived&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x5E76;&#x4E14;&#x91CD;&#x542F;keepalived&#x670D;&#x52A1;</p>
<pre><code>/etc/init.d/keepalived stop    #&#x5173;&#x95ED;keepalived&#x670D;&#x52A1;   
vim /etc/keepalived/keepalived.conf  #&#x7528;vim&#x6253;&#x5F00;&#x7F16;&#x8F91;
</code></pre><table>
<thead>
<tr>
<th>&#x4E3B;&#x8282;&#x70B9;&#x7684;&#x914D;&#x7F6E;&#x6587;&#x4EF6;</th>
<th>&#x5907;&#x8282;&#x70B9;&#x7684;&#x914D;&#x7F6E;&#x6587;&#x4EF6;</th>
</tr>
</thead>
<tbody>
<tr>
<td>! Configuration File for keepalived global_defs {   notification_email {     acassen@firewall.loc     failover@firewall.loc     sysadmin@firewall.loc   }   notification_email_from Alexandre.Cassen@firewall.loc   smtp_server 192.168.200.1   smtp_connect_timeout 30   router_id <strong>lb01</strong>} vrrp_instance VI_1 {    state <strong>MASTER</strong>    interface <strong>eth1</strong>    virtual_router_id <strong>55</strong>    priority <strong>150</strong>    advert_int 1    authentication {        auth_type PASS        auth_pass <strong>123456</strong>    }    virtual_ipaddress {        <strong>192.168.31.5/24 dev eth1 label eth1:1</strong>    }}......</td>
<td>! Configuration File for keepalived global_defs {   notification_email {     acassen@firewall.loc     failover@firewall.loc     sysadmin@firewall.loc   }   notification_email_from Alexandre.Cassen@firewall.loc   smtp_server 192.168.200.1   smtp_connect_timeout 30   router_id <strong>lb02</strong>} vrrp_instance VI_1 {    state <strong>BACKUP</strong>    interface <strong>eth1</strong>    virtual_router_id <strong>55</strong>    priority <strong>100</strong>    advert_int 1    authentication {        auth_type PASS        auth_pass <strong>123456</strong>    }    virtual_ipaddress {        <strong>192.168.31.5 dev eth1 label eth1:1</strong>    }}......</td>
</tr>
</tbody>
</table>
<p>&#x200B;    &#x6CE8;&#x89E3;&#xFF1A;&#x4FEE;&#x6539;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x4E3B;&#x8981;&#x5C31;&#x662F;&#x4E0A;&#x9762;&#x52A0;&#x7C97;&#x7684;&#x51E0;&#x4E2A;&#x5730;&#x65B9;&#xFF0C;&#x4E0B;&#x9762;&#x8BF4;&#x660E;&#x4E00;&#x4E0B;&#x90A3;&#x51E0;&#x4E2A;&#x53C2;&#x6570;&#x7684;&#x610F;&#x601D;&#xFF1A;</p>
<p>router_id &#x662F;&#x8DEF;&#x7531;&#x6807;&#x8BC6;&#xFF0C;&#x5728;&#x4E00;&#x4E2A;&#x5C40;&#x57DF;&#x7F51;&#x91CC;&#x9762;&#x5E94;&#x8BE5;&#x662F;&#x552F;&#x4E00;&#x7684;&#xFF1B;vrrp_instance VI_1{...}&#x8FD9;&#x662F;&#x4E00;&#x4E2A;VRRP&#x5B9E;&#x4F8B;&#xFF0C;&#x91CC;&#x9762;&#x5B9A;&#x4E49;&#x4E86;keepalived&#x7684;&#x4E3B;&#x5907;&#x72B6;&#x6001;&#x3001;&#x63A5;&#x53E3;&#x3001;&#x4F18;&#x5148;&#x7EA7;&#x3001;&#x8BA4;&#x8BC1;&#x548C;IP&#x4FE1;&#x606F;&#xFF1B;state &#x5B9A;&#x4E49;&#x4E86;VRRP&#x7684;&#x89D2;&#x8272;&#xFF0C;interface&#x5B9A;&#x4E49;&#x4F7F;&#x7528;&#x7684;&#x63A5;&#x53E3;&#xFF0C;&#x8FD9;&#x91CC;&#x6211;&#x7684;&#x670D;&#x52A1;&#x5668;&#x7528;&#x7684;&#x7F51;&#x5361;&#x90FD;&#x662F;eth1,&#x6839;&#x636E;&#x5B9E;&#x9645;&#x6765;&#x586B;&#x5199;&#xFF0C;virtual_router_id&#x662F;&#x865A;&#x62DF;&#x8DEF;&#x7531;ID&#x6807;&#x8BC6;&#xFF0C;&#x4E00;&#x7EC4;&#x7684;keepalived&#x914D;&#x7F6E;&#x4E2D;&#x4E3B;&#x5907;&#x90FD;&#x662F;&#x8BBE;&#x7F6E;&#x4E00;&#x81F4;&#xFF0C;priority&#x662F;&#x4F18;&#x5148;&#x7EA7;&#xFF0C;&#x6570;&#x5B57;&#x8D8A;&#x5927;&#xFF0C;&#x4F18;&#x5148;&#x7EA7;&#x8D8A;&#x5927;&#xFF0C;auth_type&#x662F;&#x8BA4;&#x8BC1;&#x65B9;&#x5F0F;&#xFF0C;auth_pass&#x662F;&#x8BA4;&#x8BC1;&#x7684;&#x5BC6;&#x7801;&#x3002; virtual_ipaddress &#xFF5B;...&#xFF5D;&#x5B9A;&#x4E49;&#x865A;&#x62DF;IP&#x5730;&#x5740;&#xFF0C;&#x53EF;&#x4EE5;&#x914D;&#x7F6E;&#x591A;&#x4E2A;IP&#x5730;&#x5740;&#xFF0C;&#x8FD9;&#x91CC;&#x6211;&#x5B9A;&#x4E49;&#x4E3A;192.168.31.5&#xFF0C;&#x7ED1;&#x5B9A;&#x4E86;eth1&#x7684;&#x7F51;&#x7EDC;&#x63A5;&#x53E3;&#xFF0C;&#x865A;&#x62DF;&#x63A5;&#x53E3;eth1:1.</p>
<p>&#x200B;    &#x4FEE;&#x6539;&#x597D;&#x4E3B;&#x8282;&#x70B9;&#x4E4B;&#x540E;&#xFF0C;&#x4FDD;&#x5B58;&#x9000;&#x51FA;&#xFF0C;&#x7136;&#x540E;&#x542F;&#x52A8;keepalived&#xFF0C;&#x51E0;&#x5206;&#x949F;&#x5185;&#x4F1A;&#x751F;&#x6210;&#x4E00;&#x4E2A;&#x865A;&#x62DF;IP&#xFF1A;192.168.31.5</p>

                                
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